There’s a lot of misinformation, half-truths, and pseudoscience regarding hair loss, and there are also treatment programs that have been well-researched and tested in clinical settings. So, how do you find the difference? For starters, talk to the experts in the industry like dermatologists and general physicians about treatment programs. Avoid people advertising secret cures, all-natural remedies, and permanent fixes. If there was a way to stop baldness from happening, we’d all know about it already. Many other women, though, start noticing thinning hair on top of their heads. Doctors say the defining sign is a widening of the part. The hairline itself is usually intact, but the hair becomes less dense behind it. Doctors will often run a battery of tests to make sure there are no treatable medical conditions, such as anemia, thyroid problems, tumors, or hormonal problems. "Ninety percent of the time, it's normal," Patel said.